Stock-tank heater.



w. HAAK.

STOCK TANK HEATER.

APPLICATION FILED MAR. 4. |916.

PatentedSept. 18,1917.

WIT/1555,55,

WILLIAM HAAK, 0F MADISON, WISCONSIN.

STOCK-TAN K HEATER.

Application filed March 4, 1916.

To all whom it may concern:

Be it known that I, WILLIAM I-IAAK, citi- Zen of the United States,residing at Madison, in the county of Dane and State of Visconsin, haveinvented certain new and useful Improvements in Stock-Tank `Heaters, ofwhich the following is a specification.

My invention relates to improvements in stock tank heaters in which awater tight heater is disposed in a tank of water and a fire kept withinthe casing; and the objects of my improvement are, first, to provide ameans for readily starting a fire with ample draft; second, to check thedirect draft and produce a down, or horizontal draft, as desired, toconform to weather conditions; and third, to have all the controllingmechanism of the drafts above the heater and easy to access.

I attain these objects by the mechanism shown in the accompanyingdrawings in which- Figure 1,is a plan of my heater; Fig. 2, is a plan ofthe crown or baiiie plate, 2; Fig. 3, is a front view with the end plateremoved; and Fig. 4C, is a View with the left side removed.

Similar numerals refer to similar parts throughout the several views.

The casing, 1, is formed of sheet metal, sides, ends, and bottom weldedtogether forming a water tight box, secured to the front end. Insidethis casing is disposed a grate, 7, which inclines toward the bottom andturns upward at the rear end; on the' top of the rear end of the grate,7, is located the lower edge of a crown or baie plate, 2, which inclinesforward over the grate and extends upward to the top of the casing. Anaperture, 6, is located equidistant the sides and adjacent the loweredge of the said plate, 2, and is provided with a swinging damper ordoor, 3, pivotally secured to the plate by the pin, 5; the lug, 19,integral with the upper front corner of the door, is connected by aneye, 20, to the damper rod, 4L,

Specification of Letters Patent.

Patented Sept. 18, 1917.

Serial No. 82,261.

to which are hingedly attached the front cover, 13, by the ribs, 14:,and the rear cover, 15, by the ribs, 16; a portion of the front cover,13, at one corner is removed to allow the air tube, 8, to pass downwardin the corner of the casing, through and a distance below the grate,said tube, to be secured in any convenient manner to the grate orcasing. A damper, 9, is provided within the tube adjacent the upper endthereof; a plate, 17, is located back of the grate and an ash pan, 18,beneath the grate.

To operate my heater, place the fuel on the grate and after igniting,open the damper, 9, admitting air under the grate; then open to its fullextent, the damper door, 3, which will cause air to pass through thefire and directly out of the stack, and when the iire is in propercondition, both the aforesaid dampers may be closed suliiciently tocause a down draft through the grate under the plate, 17, and out of thestack. It is obvious that in muggy weather the use of the dampers, 9 and3, would be of great advantage in handling a fire in the heater.

Claim:

In a tank heater comprising a casing, a grate, a baflie plate over thegrate and a baffle plate back of said grate, an aperture provided insaid baflie plate over said grate and near the lower terminus thereof, asliding door operated by a rod extending upward through the top of saidheater and adapted to cover the aperture in said baiie plate.

In testimony whereof I alflx my signature in the presence of twosubscribing witnesses. WILLIAM I-IAAK.

Witnesses:

GEORGE F. Essnn, THEO. M. HOHN.

Copies of this patent may be obtained for ive cents each, by addressingthe Commissioner of Patents, Washington, D. C.

